4. Solve the system using substitution. x + 2y = -1
y = -3x - 8
A. (-3, 1)
B. (-3,-1)
C. (2,-2)
(-3,-17)

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Which expression will have the same sum as 3_8 + 1/4?